Amphenol Corporation (APH) vs Arm Holdings plc American Depositary Shares (ARM)

A side-by-side comparison of Amphenol Corporation and Arm Holdings plc American Depositary Shares across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 1, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnAPH vs ARM

growth of $100 · dividends reinvested · last 3y
APH +283.3%ARM +294.6%ARM compounded faster
200400600Start $100202420252026$383$395
APH ARM

APH vs ARM: by the numbers

  • ARM is the larger company ($255.03B vs $197.70B market cap).
  • APH trades at the lower trailing earnings multiple (40.17 vs 285.35 P/E), one valuation lens rather than an overall verdict.
  • ARM converts more revenue to profit (18.37% vs 17.76% net margin).
  • APH grew revenue faster over the past five years (24.30% vs 19.41% CAGR).
  • APH pays a dividend (0.57% yield), while ARM has no payments in the available dividend history.

Metrics side by side

Valuation

MetricAPHARM
P/E ratio40.17285.35
Forward P/E31.01136.75
P/S ratio7.1452.03
P/B ratio13.3830.89
PEG ratio0.5213.35
EV / EBITDA23.70220.60
FCF yield2.27%0.37%

Profitability

MetricAPHARM
Gross margin38.50%94.63%
Operating margin27.19%18.31%
Net margin17.76%18.37%
ROE33.27%10.91%
ROIC15.12%7.29%

Dividends

MetricAPHARM
Dividend yield0.57%N/A
Payout ratio26.07%N/A

Growth (annualized)

MetricAPHARM
Revenue CAGR (5Y)24.30%19.41%
EPS CAGR (5Y)28.30%17.47%
FCF CAGR (5Y)31.12%-1.73%
Total return CAGR (5Y)35.90%N/A

Frequently asked

Which has the lower trailing P/E, APH or ARM?
APH has the lower trailing P/E: APH trades at 40.17 and ARM at 285.35. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, APH or ARM?
Over the past five years, APH grew revenue faster — APH at a 24.30% CAGR versus ARM at 19.41%.
Does APH or ARM pay a bigger dividend?
APH pays a dividend (0.57% yield), while ARM has no payments in the available dividend history.
Is APH or ARM more profitable?
ARM runs the higher net margin — APH at 17.76% versus ARM at 18.37%.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 1, 2026.